The incidence of thyroid cancer detection has increased by 4.5% per year over the last 10 years, faster than for any other cancer, but without a corresponding change in the mortality rate. In 2013, the incidence rate of thyroid cancer in the United States was 15.3 cases per 100 000 persons. Most cases of thyroid cancer have a good prognosis; the 5-year survival rate for thyroid cancer overall is 98.1%.